Analysis of Self-Organized Criticality of Power System under External Risks

doi:10.3969/j.issn.1000－7229.2013.11.013

Abstract

Abstract:

In order to clarify the internal risks and external risks of power system blackout, the influence of global warming, geological disasters and other external risks on the stability of power generation, transmission and distribution in power system were discussed. According to the data of blackout and damage in earthquakes of North American grid, the leading cause of extreme blackout is that faults concentrated outbreak due to external risks, such as global warming. The results of faults analysis of power distribution network show that under the extreme precipitation, a number of faults breaking out at the same time is the important reason for self-organized criticality （SOC） feature.

Key words: power system, blackout, self-organized criticality, external risk

GUO Yijian. Analysis of Self-Organized Criticality of Power System under External Risks[J]. ELECTRIC POWER CONSTRUCTION, 2013, 34(11): 67-70.

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